Yes, there might be. The Harry Potter fandom is vast and diverse, with fans exploring all kinds of scenarios in their fanfictions. A 'Harry Potter has a plague' concept could be someone's unique take on the wizarding world, perhaps exploring how the magical community would deal with a plague, or how Harry Potter specifically would be affected. However, it may not be a very common theme compared to others like Harry's battles with Voldemort.
The Ministry of Magic would likely be in chaos. They would try to find a way to stop the spread and hold Harry Potter accountable. There would be a lot of panic among the wizards and witches, with many trying to flee or find a cure on their own.
Maybe it was an accident. Harry Potter was experimenting with some dark magic (which he may have been forced into or just out of curiosity) and things got out of hand, resulting in the creation of the plague.
One interesting 'Harry Potter plague fanfiction' could be about how the wizarding world copes with a mysterious plague that affects magic. Maybe it shows the Hogwarts students trying to find a magical cure while dealing with the chaos and fear in the castle.
First, try searching on large fanfiction communities. Fanfiction.net has a huge collection of Harry Potter fanfictions. Just go to the site, enter 'Harry Potter has a plague' in the search bar. Another option is AO3. It has a more organized tagging system. Look for tags related to Harry Potter and plague. You might also want to check some Harry Potter - specific fanfiction forums where fans might discuss or share such unique fanfictions.
Another way is to join Harry Potter fan groups on social media platforms. Ask the members if they know of any good 'Harry Potter plague fanfiction'. They might be able to recommend some based on their own reading experiences. Also, check out any Harry Potter fanfiction blogs that might have reviews or lists of such stories.
The Plague Doctor could be a magical healer from a far - off land. His strange appearance and methods are initially met with suspicion in the Harry Potter world. But as the story progresses, his skills in dealing with diseases become invaluable. For example, he could use his beak - like mask not just for protection but also as a tool to channel magic for healing.
There could also be new characters introduced in the fanfiction. Maybe an old wizard or witch who has knowledge about the plague bloodline and its secrets. This character could act as a mentor to Harry, guiding him through the discovery of his heritage and the powers that come with it.
One idea could be that the Plague Doctor arrives in the wizarding world during a mysterious illness outbreak. He might have unique magical remedies that are different from what the wizards are used to. Maybe he teams up with Harry Potter to find the source of the disease, which turns out to be a dark magic - created pathogen.
Well, perhaps the plot could involve Harry discovering his plague bloodline and how it ties into the history of the wizarding world. It might be related to an ancient curse or prophecy. For example, the plague bloodline could be the key to defeating a new, powerful dark force that is emerging in the wizarding world. And as he uncovers more about it, he has to deal with the reactions of his friends and the wizarding community, some of whom might be fearful or suspicious of his new - found heritage.